Octane boot problem - SGI

This is a discussion on Octane boot problem - SGI ; We have an Octane that was shutdown rather harshly as a result of an
unplanned power outage and now it will not restart.
It seems to be unable to mount the root partition and always gives up
displaying the following ...

Backup is not a problem but does this mean the HDD is a terminal case? Is
there nothing that can be done via the maintenance menu at startup? Do you
you think the drive can be re-formatted and IRIX re-installed or is there a
physical problem with the hardware?